linux-kernel - Re: [PATCH v3 5/7] pinctrl: renesas: rzg2l: Unify OEN handling across RZ/{G2L,V2H,V2N}

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Message-ID: <CAMuHMdW=-O3NDjgNSGa8GFArp9wJ0CFRmbFbTKcZ-mW=TCiTOQ@mail.gmail.com>
Date: Thu, 7 Aug 2025 09:01:31 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, linux-renesas-soc@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v3 5/7] pinctrl: renesas: rzg2l: Unify OEN handling across RZ/{G2L,V2H,V2N}

On Wed, 6 Aug 2025 at 21:56, Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Unify the OEN handling on RZ/V2H(P) and RZ/V2N SoCs by reusing the existing
> rzg2l_read_oen and rzg2l_write_oen functions from RZ/G2L. Add a
> pin_to_oen_bit callback in rzg2l_pinctrl_data to look up per-pin OEN bit
> positions, and introduce an oen_pwpr_lock flag in the hwcfg to manage PWPR
> locking on SoCs that require it (RZ/V2H(P) family). Remove the hardcoded
> PFC_OEN define and obsolete per-SoC OEN helpers.
>
> Also drop redundant checks for the OEN offset in the suspend/resume paths,
> as all supported SoCs now provide a valid offset through the `regs.oen`
> field.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
> v2->v3:
> - Grouped oen_pwpr_lock flag with other bools
> - Dropped redundant checks for OEN offset in suspend/resume paths
> - Updated the commit message to reflect the changes
> - Added Reviewed-by tag from Geert.

Thanks, will queue in renesas-pinctrl for v6.18.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds